Memory and ARC
MRC and autorelease
Before ARC, Objective-C code called retain, release, and autorelease directly. What did each one do, and what did ARC change?
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Memory and ARCShort answerIntro
What is ARC, and why do we need it?
#retain #release
Memory and ARCMultiple choiceBasics
This code spikes memory and gets the app killed. What's the most appropriate fix? …
#autoreleasepool
Memory and ARCMultiple choiceBasics
In Objective-C, why do you use copy instead of strong for an NSString property, as in @pr…
#objective-c
Memory and ARCShort answerAdvanced
A for loop that runs fine on up to 5,000 records crashes after a memory warning above tha…
#autoreleasepool